Ar Fehlings Solution B
Analytical Solution
Analytical Reagent

Fehling's Solution B

Analytical Reagent grade Fehling's Solution B manufactured for reducing sugar analysis, Benedict's test, and carbohydrate detection. Our AR grade solution provides reliable alkaline tartrate reagent properties for biochemical testing, qualitative analysis, and analytical chemistry procedures.

  • Analytical Grade Purity
  • Reducing Sugar Detection
  • Biochemical Testing
  • Research Laboratory Use
  • Ready-to-Use Solution
  • Standardized Concentration
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Technical Specifications

Chemical Composition: Sodium Potassium Tartrate + NaOH Solution
CAS Number: 304-59-6 (Rochelle Salt)
Tartrate Concentration: 17.3% w/v NaKC₄H₄O₆·4H₂O
NaOH Concentration: 10% w/v
Physical State: Clear colorless alkaline solution
pH Range: 12.5-13.5
Specific Gravity: 1.12-1.14 (25°C)
Carbonate (CO₃): ≤ 0.5%
Chloride (Cl): ≤ 0.01%
Sulfate (SO₄): ≤ 0.05%
Heavy Metals (as Pb): ≤ 0.001%
Reducing Power: Optimized for Fehling's test
Storage Temperature: 15-25°C
Shelf Life: 2 years from manufacture
Packaging Options: 100ml, 250ml, 500ml glass bottles

Applications

Reducing Sugar Detection
Fehling's Test (Part B)
Educational Chemistry Labs
Biochemical Analysis
Qualitative Analysis
Food Chemistry Testing
Carbohydrate Analysis
Pharmaceutical Testing
Quality Control Testing
Industrial Analysis
Research Applications
Academic Research

Industry-Specific Grades

DRAVYOM offers specialized Fehling's Solution B grades tailored for specific analytical and research requirements, ensuring optimal alkaline tartrate performance and regulatory compliance across diverse laboratory applications.

AR Grade (Analytical Reagent)
Tartrate: 17.3% w/v NaOH: 10% w/v pH: 12.5-13.5 Application: General analytical procedures
ACS Grade (Certified)
Purity: ≥ 99.5% Carbonate: ≤ 0.5% Heavy Metals: ≤ 0.001% Application: ACS certified analytical work
Biochemical Grade
Purity: ≥ 99.8% Sugar Detection: Optimized Documentation: Complete COA Application: Biochemical analysis
Educational Grade
Concentration: Standard Safety: Student-safe formulation Packaging: Teaching quantities Application: Educational laboratories

Quality Standards

DRAVYOM's AR Grade Fehling's Solution B is manufactured under stringent quality control protocols, meeting international analytical standards including ACS, ISO, and pharmacopoeia specifications. Our analytical-grade production ensures consistent alkaline tartrate performance and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
ACS Grade Specifications
Precise Alkaline Reaction
Advanced Purity Testing
Consistent Tartrate Content
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Temperature-Controlled Storage

Advanced Chemical Properties & Performance

AR Grade Fehling's Solution B exhibits exceptional alkaline tartrate complexation properties essential for reducing sugar detection. Its ultra-pure sodium hydroxide and potassium sodium tartrate composition ensures reliable performance in carbohydrate analysis requiring precise copper complex stabilization.

Chemical Composition
Primary Alkali: Sodium hydroxide (NaOH)
Complexing Agent: Potassium sodium tartrate
NaOH Concentration: 100 g/L
Tartrate Concentration: 173 g/L
Physical Properties
Appearance: Clear, colorless solution
pH: 13.0-13.5 (strongly alkaline)
Density: 1.27 g/mL at 25°C
Conductivity: Very high ionic conductivity
Complexation Performance
Copper Stabilization: Prevents Cu(OH)₂ precipitation
Working Temperature: 100°C (boiling)
Complex Formation: Soluble copper-tartrate complex
Reduction Product: Cu₂O red precipitate
Quality Specifications
NaOH Purity: ≥97%
Tartrate Purity: ≥99%
Carbonate: ≤2%
Heavy Metals: ≤0.001%
Stability Properties
Shelf Life: 2 years (unopened)
Working Life: 6 months after opening
CO₂ Sensitivity: Absorbs atmospheric CO₂
Temperature Stability: Stable 15-30°C

Performance Characteristics

Detailed performance metrics demonstrate AR Grade Fehling's Solution B superiority in copper complex stabilization with exceptional alkaline buffering, reliable tartrate complexation, and reproducible results across diverse reducing sugar analysis applications.

Complex Stabilization

Copper solubility: Complete Cu²⁺ stabilization

Prevents copper precipitation
pH Buffering

Alkaline conditions: Maintains pH 13-13.5

Consistent reaction environment
Heat Stability

Boiling point: Stable at 100°C reaction

Reliable high-temperature performance
Reaction Efficiency

Sugar detection: Rapid 2-5 minute analysis

Fast analytical procedure
Batch Consistency

Variation: ±1% between batches

Outstanding lot-to-lot reproducibility
Visual Results

Precipitate formation: Clear Cu₂O identification

Distinct positive results

Safety Information

Contains concentrated sodium hydroxide - highly corrosive and caustic. Causes severe burns to skin and eyes. Use appropriate protective equipment including chemical-resistant gloves, safety goggles, and lab coats. Work in well-ventilated areas and have emergency eyewash available. Avoid all contact with skin and eyes.

Corrosive
Eye Damage Risk
Chemical Burns

Storage & Handling

Store in original containers at room temperature away from acids and CO₂ sources. Keep containers tightly closed to prevent atmospheric CO₂ absorption. Mix with Fehling's Solution A only immediately before use. Handle with extreme caution due to caustic nature.

Room temperature storage (15-30°C)
Prevent CO₂ exposure
Keep tightly sealed
Store separately from acids

Chemical Mechanisms & Reaction Pathways

Fehling's Solution B functions as an alkaline tartrate complex stabilizer through chelation mechanisms, enabling copper ion stabilization and maintaining optimal pH conditions for reducing sugar analysis.

Tartrate Complexation

Potassium sodium tartrate forms stable chelate complexes with Cu²⁺ ions

Prevents copper hydroxide precipitation in alkaline medium
pH Buffer System

Sodium hydroxide maintains optimal alkaline conditions for Fehling's reaction

Critical pH control for selective sugar oxidation
Complex Stabilization

Tartrate ligands prevent Cu(OH)₂ formation and maintain copper solubility

Essential for reproducible reducing sugar detection
Chelation Chemistry

Bidentate tartrate coordination stabilizes copper(II) oxidation state

Maintains reactive copper species for aldehyde oxidation

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global analytical laboratory access with complete documentation packages supporting international food analysis standards and carbohydrate method validations.

ACS Specifications

American Chemical Society analytical reagent standards compliance

AOAC Methods

Association of Official Analytical Chemists food analysis protocols

USP Standards

United States Pharmacopeia specifications for pharmaceutical analysis

REACH Registration

European Union chemical regulation compliance

FDA Method Support

Validated for FDA food analysis and nutritional testing methods

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive alkaline tartrate solution support, Fehling's test optimization, and carbohydrate method development services for food and pharmaceutical applications.

Alkaline Solution Methods
  • Tartrate complex optimization protocols
  • pH control and buffer system guidance
  • Solution stability enhancement
  • Copper stabilization procedures
Analytical Services
  • Alkalinity verification testing
  • Tartrate concentration standardization
  • pH stability assessment
  • Complex formation validation
Technical Support
  • Food analysis consultation
  • Solution preparation training
  • Quality control protocols
  • Safety handling procedures
Supply Solutions
  • Standardized alkaline concentrations
  • Custom tartrate formulations
  • Stability-optimized packaging
  • Global analytical supply network

Environmental Impact & Sustainability

Our Fehling's Solution B production emphasizes environmental responsibility through sustainable alkaline chemistry practices, minimal waste generation, and comprehensive environmental impact management for analytical applications.

Clean Production

Environmentally conscious alkaline solution preparation processes

Chemical Recovery

Tartrate recovery programs and alkaline waste neutralization systems

Efficient Manufacturing

Optimized alkaline solution preparation with minimal environmental impact

Safe Disposal

Comprehensive alkaline solution neutralization and disposal guidance

ISO 14001

Environmental management system certified production

Container Recycling

Glass container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's analytical reagent manufacturing facility employs precise alkaline chemistry technology with continuous monitoring systems to ensure consistent Fehling's Solution B quality and analytical performance across all production batches.

Solution Preparation

Precise tartrate and hydroxide dissolution with controlled pH standardization

Accurate alkalinity control and complex stability optimization
Quality Testing

14-point analytical testing including alkalinity, tartrate content, and pH stability

Conductometric verification and complex formation testing
Quality Systems

ISO 9001:2015 quality management with food analysis method validation

Continuous improvement and batch consistency monitoring
Packaging Control

Chemical-resistant containers with proper closure systems for alkaline solutions

Stability preservation and CO₂ contamination prevention

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating Fehling's Solution B effectiveness across diverse alkaline chemistry applications with quantified performance metrics and method validations.

Alkaline Chemistry Applications
pH Stability: 12.5 ± 0.2 over 6 months storage Complex Formation: >99% copper stabilization efficiency Precipitation Prevention: Zero Cu(OH)₂ formation
Research Institutions
Method Publications: 250+ cited analytical procedures Reproducibility: >99.0% inter-lab agreement Innovation: Advanced alkaline chemistry protocols
Quality Control Labs
Reliability: 99.7% batch consistency Audit Success: 100% regulatory compliance Efficiency: 25% improved solution stability

DRAVYOM Competitive Advantages

Superior Solution Stability

Consistently stable alkaline tartrate solutions with exceptional copper complex stabilization for reliable analytical performance

Reliable Supply

Guaranteed availability with strategic inventory management and analytical-grade alkaline solution production scheduling

Analytical Expertise

Dedicated alkaline chemistry team provides method development and complex chemistry troubleshooting support

Quality Assurance

Traceable certificates with comprehensive solution performance data and alkaline method validation support

Global Standards

International compliance with ACS, AOAC, and FDA specifications for worldwide analytical acceptance

Partnership Approach

Collaborative relationships with food analysis laboratories and custom alkaline chemistry method development services